code: def largest_budget_with_model(self):
      if len(self.kde_models) == 0:
          return -float("inf")
      return max(self.kde_models.keys())
  
file_path: HpBandSter/hpbandster/optimizers/config_generators/bohb.py
imports: import logging
  from copy import deepcopy
  import traceback
  import ConfigSpace
  import ConfigSpace.hyperparameters
  import ConfigSpace.util
  import numpy
  import scipy.stats
  import scipy.optimize
  import statsmodels.api
  from hpbandster.core.base_config_generator import base_config_generator
label_desc: Use image node_id 2 for calling the BOHB obj's underlying member method code with example usage: obj.largest_budget_with_model() and returns: max, unknown